Home / 15,825.78-23,721.93-5,960.79

Finding the Fourth Proportional to 15,825.78, 23,721.93 and 5,960.79

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Solution

The fourth proportional to 15,825.78, 23,721.93 and 5,960.79 is: 8,934.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.78 : 23,721.93 = 5,960.79 : x
  2. Step 2: Convert to fraction form
    15,825.78/23,721.93 = 5,960.79/x
  3. Step 3: Cross multiply
    15,825.78x = 23,721.93 × 5,960.79
  4. Step 4: Simplify right side
    15,825.78x = 141,401,443.12
  5. Step 5: Solve for x
    x = 141,401,443.12/15,825.78
  6. Step 6: Final answer
    x = 8,934.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.